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CA2754183A1 - Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line - Google Patents

Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line Download PDF

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Publication number
CA2754183A1
CA2754183A1 CA2754183A CA2754183A CA2754183A1 CA 2754183 A1 CA2754183 A1 CA 2754183A1 CA 2754183 A CA2754183 A CA 2754183A CA 2754183 A CA2754183 A CA 2754183A CA 2754183 A1 CA2754183 A1 CA 2754183A1
Authority
CA
Canada
Prior art keywords
module
pressure
expanded volume
gaseous fuel
fuel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2754183A
Other languages
French (fr)
Other versions
CA2754183C (en
Inventor
Derek S. Newcombe
Buerebista Ursu
Gregory A. Batenburg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westport Fuel Systems Canada Inc
Original Assignee
Westport Power Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westport Power Inc filed Critical Westport Power Inc
Priority to CA2754183A priority Critical patent/CA2754183C/en
Publication of CA2754183A1 publication Critical patent/CA2754183A1/en
Priority to CN201280049259.4A priority patent/CN103857897B/en
Priority to EP12838463.3A priority patent/EP2764230B1/en
Priority to PCT/CA2012/050695 priority patent/WO2013049935A1/en
Application granted granted Critical
Publication of CA2754183C publication Critical patent/CA2754183C/en
Priority to US14/229,996 priority patent/US9429094B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • F02D19/022—Control of components of the fuel supply system to adjust the fuel pressure, temperature or composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/026—Measuring or estimating parameters related to the fuel supply system
    • F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
    • F02M21/0224—Secondary gaseous fuel storages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0227—Means to treat or clean gaseous fuels or fuel systems, e.g. removal of tar, cracking, reforming or enriching
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02709—Throttle passages in the form of perforated plates
    • F16L55/02718—Throttle passages in the form of perforated plates placed transversely
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02772—Throttle passages using spirally or helically shaped channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02781—The regulating element being provided with radial outputs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/0279—The fluid flowing two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0331—Noise absorbers by inserting an elongated element in the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0606—Fuel temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine. The module can comprise a filter that filters the impurities from the gaseous fuel supplied to the engine and an overpressure protection device that can vent some of the gaseous fuel from the module to protect it for over-pressurization.

Claims (32)

1. A multifunctional module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line of an internal combustion engine, said module comprising:

a. a hollow body having an inlet and an outlet, said hollow body defining an expanded volume through which fuel flows between said inlet and said outlet, b. a pressure sensor mounted on said body, said pressure sensor measuring the pressure within said expanded volume, and c. a temperature sensor mounted on said body, said temperature sensor measuring the temperature from within said expanded volume, wherein said module is located along said gaseous fuel supply line between a pressure increasing device and a fuel rail of said engine such that a gaseous fuel supplied from said pressure increasing device flows through said module before it is supplied to said fuel rail and wherein respective pressure and temperature measurements taken by said pressure and temperature sensors are communicated to a controller which stops or activates said pressure increasing device to maintain a pressure within said module within a predetermined pressure range.
2. The module of claim 1 wherein said hollow body has an elongated shape.
3. The module of any one of claims 1 to 2 further comprising an overpressure protection device mounted on said body, said overpressure protection device being fluidly connected to said inlet or to said expanded volume
4. The module of any one of claims 1 to 2 further comprising a filter disposed within said hollow body such that said gaseous fuel entering said module through said inlet flows through said filter before exiting said module through said outlet.
5. The module of claim 4 wherein said filter has a cylindrical shape.
6. The module of claim 4 wherein said filter has a planar shape.
7. The module of any one of claims 4 to 6 further comprising an overpressure protection device mounted on said body, said overpressure protection device being fluidly connected to said inlet or to said expanded volume, upstream of said filter.
8. The module of any one of claims 1 to 7 wherein said hollow body can be disassembled into two parts for accessing said expanded volume when said module is not being used.
9. The module of claim 1 wherein a perforated tube is mounted within said hollow body in direct fluid communication with said inlet whereby said fuel flows through perforations in said perforated tube and into said expanded volume after entering said module through said inlet.
10. The module of claim 1 wherein said inlet comprises a conduit leading to an opening into said expanded volume and a transverse cross-sectional area of said opening is larger than that of said conduit.
11. The module of claim 1 wherein said inlet comprises a conduit leading to an opening into said expanded volume and said conduit is further provided on its interior wall with a continuous helical channel that imparts a swirling motion to said gaseous fuel entering said expanded volume of said module.
12.A multifunctional module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line of an internal combustion engine, said module comprising:

a. an elongated hollow body having an inlet and an outlet, said hollow body defining an expanded volume through which fuel flows between said inlet and said outlet, b. a pressure sensor mounted on said body, said pressure sensor measuring the pressure within said expanded volume, c. a temperature sensor mounted on said body, said temperature sensor measuring the temperature from within said expanded volume, d. a filter of a cylindrical shape disposed within said hollow body in direct fluid communication with said outlet such that a gaseous fuel entering said module through said inlet flows through said filter before exiting said module through said outlet, and e. a pressure relief valve mounted on said body, said pressure relief valve being in direct fluid communication with said expanded volume, upstream of said filter, wherein said hollow body can be disassembled into a main elongated part and two end parts when said module is not being used and wherein said pressure sensor, said temperature sensor and said pressure relieve valve are mounted on one of said end parts that is provided with said module's inlet and said filter is mounted on another end part of said body that is provided with said outlet.
13. A fuel supply line of an internal combustion engine for supplying a gaseous fuel from a fuel tank through a pressure increasing device to a fuel rail that delivers fuel to a fuel injector of said engine, said fuel supply line comprising a multifunctional module for managing mass flow and dampening pressure pulsations in said gaseous fuel, said module being located along said fuel supply line whereby said gaseous fuel that flows between said pressure increasing device and said fuel rail must flow through said module which has a hollow body defining an expanded volume that is fluidly connected to (a) a pressure sensor which measures pressure within said expanded volume, and to (b) a temperature sensor which measures temperature within said expanded volume and respective pressure and temperature measurements taken by said pressure and temperature sensors are communicated to a controller which stops or activates said pressure increasing device to maintain a pressure within said module within a predetermined pressure range.
14. The fuel supply line of claim 13 further comprising an overpressure protection device mounted on said body of said module, said overpressure protection device being fluidly connected to said expanded volume.
15. The fuel supply line of claim 13 further comprising a filter disposed within said expanded volume whereby said gaseous fuel must flow through said filter when flowing through said expanded volume.
16. The fuel supply line of claim 15 further comprising an overpressure protection device mounted on said body of said module, said overpressure protection device being fluidly connected to said expanded volume, upstream of said filter.
17. The fuel supply line of any one of claims 13 to 16 wherein said body of said module can be disassembled into two parts for accessing said expanded volume when said module is not being used.
18. The fuel supply line of any one of claims 13 to 17 wherein a perforated tube is mounted within said hollow body in direct fluid communication with an inlet of said module whereby said fuel flows through perforations in said perforated tube and into said expanded volume after entering said module through said inlet.
19. The fuel supply line of any one of claims 13 to 17 wherein an inlet of said module comprises a conduit leading to an opening into said expanded volume and a transverse cross-sectional area of said opening is larger than that of said conduit.
20. The fuel supply line of any one of claims 13 to 17 wherein an inlet of said module is further provided with a continuous helical channel that imparts a swirling motion to the gaseous fuel entering said expanded volume of said module.
21. A system for managing mass flow and dampening pulsations generated by a pressure increasing device in a gaseous fuel supply line of an internal combustion engine, said system comprising:

a. a multifunctional module comprising all elements from claim 1; and b. a controller which stops or activates said pressure increasing device to maintain a pressure within said module within a predetermined pressure range.
22.A method of managing mass flow and dampening pressure pulsations generated by a pressure increasing device in a gaseous fuel supply line of an internal combustion engine, the method comprising:

a. increasing the pressure of a gaseous fuel with a pressure increasing device;

b. delivering said gaseous fuel to an inlet of a multifunctional module having a hollow body which defines an expanded volume, whereby said gaseous fuel flows through said expanded volume and exits said module through an outlet;

c. measuring the pressure and temperature from within said expanded volume and communicating said pressure and temperature measurements to a controller, d. at the end of an intake stroke of said pressure increasing device, before commanding a discharge stroke, calculating a predicted pressure within said expanded volume at the end of the next discharge stroke, if said discharge stroke is commanded, and e. suspending operation of said pressure increasing device if said predicted pressure is higher than a predetermined maximum pressure P max.
23. The method of claim 22 further comprising reactivating said pressure increasing device when said measured pressure within said expanded volume equals to or it is lower than a predetermined minimum pressure P min.
24. The method of claim 22 further comprising reactivating said pressure increasing device when said predicted pressure is lower than said predetermined maximum pressure P max.
25. The method of claim 22 wherein said predicted pressure within said expanded volume is calculated as a function of at least one of said pressure or said temperature measured within said expanded volume at the end of said intake stroke or an estimated amount of fuel delivered to said module during said discharge stroke or an estimated amount of fuel consumed by said engine during said discharge stroke.
26. The method of claim 22 further comprising installing a filter within said expanded volume between said inlet and said outlet and filtering said gaseous fuel when it flows through said filter.
27. The method of claim 25 further comprising measuring the pressure and the temperature of said gaseous fuel upstream of said filter.
28. The method of claim 22 further comprising protecting said module for over-pressurization by allowing venting of gaseous fuel from said module through an overpressure protection device fluidly connected to said expanded volume of said module if pressure within said expanded volume exceeds a predetermined value.
29. The method of claim 22 further comprising creating a swirling motion of said gaseous fuel when it flows through said expanded volume of said module.
30. The method of claim 28 wherein said swirling motion of said gaseous fuel is created by introducing said gaseous fuel through an inlet comprising a conduit leading to an opening into said expanded volume and a transverse cross-sectional area of said opening is larger than that of said conduit.
31. The method of claim 22 further comprising creating a turbulent fluid motion within said gaseous fuel flowing through said expanded volume.
32. The method of claim 30 wherein said turbulent fluid motion is created by causing said gaseous fuel to flow through a perforated tube fluidly connected directly to said inlet of said module before said gaseous fuel exits said module.
CA2754183A 2011-10-05 2011-10-05 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line Active CA2754183C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2754183A CA2754183C (en) 2011-10-05 2011-10-05 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line
CN201280049259.4A CN103857897B (en) 2011-10-05 2012-10-02 The module for management quality flow and suppression pressure fluctuation in gaseous fuel supply line road
EP12838463.3A EP2764230B1 (en) 2011-10-05 2012-10-02 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line
PCT/CA2012/050695 WO2013049935A1 (en) 2011-10-05 2012-10-02 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line
US14/229,996 US9429094B2 (en) 2011-10-05 2014-03-31 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2754183A CA2754183C (en) 2011-10-05 2011-10-05 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line

Publications (2)

Publication Number Publication Date
CA2754183A1 true CA2754183A1 (en) 2012-01-10
CA2754183C CA2754183C (en) 2013-01-08

Family

ID=45468783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2754183A Active CA2754183C (en) 2011-10-05 2011-10-05 Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line

Country Status (5)

Country Link
US (1) US9429094B2 (en)
EP (1) EP2764230B1 (en)
CN (1) CN103857897B (en)
CA (1) CA2754183C (en)
WO (1) WO2013049935A1 (en)

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EP2764230B1 (en) 2019-07-31
CN103857897A (en) 2014-06-11
EP2764230A1 (en) 2014-08-13
US9429094B2 (en) 2016-08-30
CN103857897B (en) 2016-07-06
US20140230789A1 (en) 2014-08-21
EP2764230A4 (en) 2016-05-11
CA2754183C (en) 2013-01-08
WO2013049935A1 (en) 2013-04-11

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